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11212200212 = 226414372933
BaseRepresentation
bin10100111000100110…
…01001100100010100
31001221101201210012112
422130103021210110
5140430310401322
65052324210152
7544564062233
oct123423114424
931841653175
1011212200212
114833aa3a74
12220ab39958
131098b93ac5
1478514ab1a
154595085e2
hex29c4c9914

11212200212 has 12 divisors (see below), whose sum is σ = 19651965396. Its totient is φ = 5597352960.

The previous prime is 11212200203. The next prime is 11212200227. The reversal of 11212200212 is 21200221211.

It can be written as a sum of positive squares in 2 ways, for example, as 10082971396 + 1129228816 = 100414^2 + 33604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2183903 + ... + 2189030.

It is an arithmetic number, because the mean of its divisors is an integer number (1637663783).

Almost surely, 211212200212 is an apocalyptic number.

It is an amenable number.

11212200212 is a deficient number, since it is larger than the sum of its proper divisors (8439765184).

11212200212 is a wasteful number, since it uses less digits than its factorization.

11212200212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4373578 (or 4373576 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11212200212 its reverse (21200221211), we get a palindrome (32412421423).

The spelling of 11212200212 in words is "eleven billion, two hundred twelve million, two hundred thousand, two hundred twelve".

Divisors: 1 2 4 641 1282 2564 4372933 8745866 17491732 2803050053 5606100106 11212200212